Noah Webster's Dictionary 1. (p. pr. & vb. n.) of Assay. 2. (n.) The act or process of testing, esp. of analyzing or examining metals and ores, to determine the proportion of pure metal.

Multi-Version Concordance Assaying (1 Occurrence) Hebrews 11:29 By faith they passed through the Red sea as by dry land: which the Egyptians assaying to do were drowned. (KJV ASV)